Sikorsky CH-54 Tarhe / S-64 Skycrane Supplemental Type Certificates (STCs)

7 STCs approved for the Sikorsky CH-54 Tarhe / S-64 Skycrane (CH-54 Tarhe / S-64 Skycrane) family · FAA quick reference

Quick reference only — not a compliance record. This list is for research convenience and may be incomplete or out of date. It is not an airworthiness compliance determination. Always verify against the official FAA record, and check directly with the FAA before relying on it. ADs are mandatory; STCs indicate approval for the type (not installation on a specific airframe); SAIBs are advisory.

Supplemental Type Certificates (STCs) approved for the Sikorsky CH-54 Tarhe / S-64 Skycrane type — FAA-approved modifications available for this aircraft family. Approval for the TYPE does not mean a given STC is installed on any individual airframe (that lives in the logbooks/337s).

Document	Title / Subject	Date
SR01084SE	Fabrication and installation of HTS-OCB-001 Electric Oil Blower Assembly — Helicopter Transport Services LLC	2014-01-09
SR00813SE	Fabrication and installation of Columbia Helicopters pylon fittings P/N C54S2022-1 and -2 for replacement of Sikorsky fittings P/N 6420-66341-101 and -102 at the transition of fuselage to the tail boom. — Columbia Helicopters Inc	2000-06-09
SR00449SE	Replacement of oil in main transmission, intermediate gearbox and tail gearbox with Mobil SHC 627 synthetic bearing and gear lubricant. (CH-54A SIKORSKY Restricted Category ONLY) — Columbia Helicopters Inc	1997-06-20

+ 4 more STCs for the Sikorsky CH-54 Tarhe / S-64 Skycrane family.

The complete, searchable Supplemental Type Certificates list — with in-app PDF viewing and a combined download — is part of AeroTell.

See all 7 STCs in the AeroTell app →